OfertariumWhat you will see after registration
Documents to submit
- ✓Bid form — attachment no. 1
- ✓Declaration of non-exclusion
- ✓List of supplies from the last 3 years
- ✓Liability insurance — min. 120 000 €
- ✓Proof of bid bond payment
- ✓Power of attorney, if signed by an agent
AI warnings from documentation
- ❗Bid bond 3 500 € — payment before submission deadline
- ⚠Required 2 references after min. 90 000 €
- ⚠Completion deadline 30 days from signing
- ⚠Mandatory site visit — rejection if missed
- ✓No ISO certificate requirement
Budget and competition
3median number of bids
24%tenders with one bid
- ✓Amount from bid opening for this buyer
- ✓Who won there before and for how much
- ✓Suggested price range based on data
Analysis example — specific values depend on the proceeding
Kümper + Schwarze Baubetriebe GmbH
Ref. no. HRB7439AmtsgerichtBraunschweig
Contractor profile Kümper + Schwarze Baubetriebe GmbH in public procurement: •••• won by •••• nabywców. Below: sectors, who awards to them, and recent contracts.
Won tenders
••••
Buyers
••••
🔒 Full figures, values and contract history — after free registration. Create a free account →
Industries (CPV)
45 Construction work · 8
Who they win with
| Buyer | Wygrane |
|---|---|
| Stadt Wolfenbüttel | 2 |
| Landkreis Celle | 1 |
| Stadt Garbsen Zentrale Vergabestelle 22.10 | 1 |
| Gemeinde Wennigsen (Deister) | 1 |
| Stadt Wolfsburg | 1 |
| Technische Universität Braunschweig, Geschäftsbereich 3 - Gebäudemanagement | 1 |
| Stadt Porta Westfalica über Kreis Minden-Lübbecke | 1 |
Activity over time
2
2024
3
2025
3
2026
Competitors
Companies that win with the same contracting authorities.
| Contractor | Joint purchasers | Wins |
|---|---|---|
| H. O. Schlüter GmbH | 3 | 3 |
| Klüh Cleaning GmbH | 3 | 3 |
| KNR Baugesellschaft mbH | 2 | 2 |
| BP Fassaden GmbH | 2 | 2 |
| HEISAt Quedlinburg GmbH | 2 | 2 |
| Chr. Hubensack GmbH | 2 | 2 |
| Helmecke Blitzschutz und Erdungsanlagen | 2 | 2 |
| KOSS GmbH | 2 | 2 |
Who beats them, and by how much
After free registration this profile shows the full picture: which procedures Kümper + Schwarze Baubetriebe GmbH bid in, who beat them, by what price margin — and where they won.
Open tenders in these industries
In sectors where this company wins (Construction work), trwa teraz 12 140 proceedings. Bids can still be submitted.
| Deadline | Subject | Contracting authority |
|---|---|---|
| 2026-10-05 | Modernization of the fire extinguishing system at the Niedzic… | ZESPÓŁ ELEKTROWNI WODNYCH NIE… |
| 2026-10-05 | Belgium – Construction work – Restoration and repurposing of … | Stad Lier |
| 2026-10-05 | France – Road construction works – DEVELOPMENT WORKS OF PUBLI… | COMMUNE DU TAMPON |
| 2026-10-05 | Austria – Joinery and carpentry works – UH.1000055-BH Grieski… | Amt der Oberösterreichischen … |
| 2026-10-05 | Romania – Road maintenance works – FRAMEWORK AGREEMENT – REPA… | ORAS OTOPENI |
| 2026-10-05 | Execution of works included in the project for the repair and… | Junta de Gobierno del Ayuntam… |
Recent wins
| Data | Przedmiot | Nabywca | Value |
|---|---|---|---|
| Stadt Porta Westfalica über Kreis… | — | ||
| Stadt Wolfenbüttel | — | ||
| Stadt Garbsen Zentrale Vergabeste… | — | ||
| Landkreis Celle | — | ||
| Technische Universität Braunschwe… | — | ||
| Stadt Wolfsburg | — | ||
| Stadt Wolfenbüttel | — | ||
| Gemeinde Wennigsen (Deister) | — |
Full contractor profile — skuteczność (win-rate z otwarć ofert), bezpośredni rywale (H2H), pozycja cenowa i monopole u nabywców. Create account